2020+ Silverado HD & Sierra HD Troubleshooting

455 topics in this forum

1. Service ESC light coming on in hot weather

   By Nhcampbells, July 16, 2021
   • 3 replies
   • 482 views
   • 
   • Nhcampbells
   • 6 hours ago

3. Dead battery...2020 L5P 1 2 3

   By Revspan, June 1, 2020
   • 38 replies
   • 19.2k views
   • 
   • x31
   • Sunday at 06:57 PM

4. Service keyless start system comes up when I start my vehicle

   By don penney, September 23, 2021
   • 5 replies
   • 2.3k views
   • 
   • don penney
   • Saturday at 09:22 PM

5. 2020 Sierra 2500HD back up camera not working

   By Jonathant34, July 17, 2020
   • 3 replies
   • 3.4k views
   • 
   • NCasas
   • Friday at 12:08 AM

6. ABS kicks in while driving

   By cps68500, Thursday at 01:23 AM
   • 1 reply
   • 144 views
   • 
   • Another JR
   • Thursday at 09:22 PM

7. Stubborn Tailgate Release

   By tbully, June 17
   • 3 replies
   • 216 views
   • 
   • tbully
   • Thursday at 08:46 PM

8. No onstar, gps,or nav

   By airplanefixer, February 4
   • 3 replies
   • 866 views
   • 
   • Redcycles
   • Wednesday at 03:39 PM

9. Loose Steering

   By jamco44, October 16, 2020
   • 10 replies
   • 3.7k views
   • 
   • Michael621
   • June 21

10. Brakes Squeaking @ 10K 1 2 3 4 5

    By LarryM, September 16, 2020
    • 72 replies
    • 33.3k views
    • 
    • KC Desert
    • June 20

11. 2500hd duramax towing mpg

    By MikeZ65, June 3
    • 9 replies
    • 546 views
    • 
    • KC Desert
    • June 20

12. Noisy steering column 1 2 3 4 8

    By STGS, November 4, 2019
    • 107 replies
    • 45k views
    • 
    • mandrewbot3k
    • June 19

13. Power Outlet Switch light stays on dim green

    By Killjoy1977, August 18, 2020
    • 5 replies
    • 1.5k views
    • 
    • Mic_
    • June 15

14. Trailer TPMS pressure question

    By Sumrtime, June 14
    • 1 reply
    • 159 views
    • 
    • Mic_
    • June 14

15. High Beam Flash with Left Turn Signal Engagement 2020 2500HD High Country

    By Benthecuban, September 15, 2021
    • 4 replies
    • 811 views
    • 
    • nocturnalmotors
    • June 13

16. 3.0 Duramax cranks but won’t start 1 2 3 4 35

    By Dbersuch, March 23, 2021
    • 510 replies
    • 107.1k views
    • 
    • V8Chevy
    • June 11

17. Bed swap

    By Glo, June 11
    • 0 replies
    • 114 views
    • 
    • Glo
    • June 11

18. Bed swap

    By Glo, June 11
    • 0 replies
    • 89 views
    • 
    • Glo
    • June 11

19. Clunk that slightly moves truck after first start up each day

    By Tomato, June 5
    • 2 replies
    • 269 views
    • 
    • gemarsh
    • June 10

20. Door handle swap mishap

    By Sonders, May 21
    • 14 replies
    • 480 views
    • 
    • Sonders
    • June 9

21. 2022 2500hd denali gasser Torsion bar bolts

    By Cootr68, June 7
    • 2 replies
    • 276 views
    • 
    • Cootr68
    • June 8

22. Brake pedal hard to push 1 2 3 4

    By gerald compton, August 13, 2020
    • 57 replies
    • 13.7k views
    • 
    • jpamp0817
    • June 8

23. remote start issues with key fob - Service Steering column lock

    By hesaw00, April 26, 2021
    • 3 replies
    • 1.8k views
    • 
    • 2022Duramax3.0
    • June 6

24. Strange popup on screen when starting up

    By GMC4Zee, May 13
    • 2 replies
    • 536 views
    • 
    • shadow gray 2020 hd
    • June 6

25. Tire blowout.. 43K 1 2

    By LarryM, May 29
    • 17 replies
    • 836 views
    • 
    • swathdiver
    • June 6

26. Check trailer lights

    By Toomas, June 1
    • 1 reply
    • 225 views
    • 
    • shadow gray 2020 hd
    • June 1